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Watersheds
Question | Answer |
---|---|
Abiotic | The nonliving parts of an ecosystem |
Biodiversity | An ecosystem that has many different species in that area |
Biotic | The living part of an ecosystem |
Delta | A landform made of sediment that is deposited where a river flows into an ocean or lake |
Divide | A ridge of land that separates one drainage basin or watershed from another |
Ecosystem | All the living population and nonliving parts of an environment |
Estuary | A coastal inlet or bay where freshwater mixes with salty ocean water |
Eutrophication | The process by which nutrients in a lake build up over time, causing an increase in the growth of algae |
Groundwater | Water that fills the cracks and pores in underground soil and rock layers |
Habitat | The place where an organism lives and that provides the things it needs to survive |
Marsh | A grassy area covered by a shallow layer or stream of water |
Meander | A looping curve formed in a river as it winds through its flood plain |
pH | How acidic or basic a substance is, measured on a scale of 1 (very acidic) to 14 (very basic) |
Pollution | A change to the environment that has a negative effect on living things |
River System | All of the streams and channels draining a river system |
Runoff | Water that flows over the ground surface rather than soaking into the ground |
Salinity | The total amount of dissolved salts in a water sample |
Stream | A channel through which water is continually flowing downhill |
Swamp | A flooded forest with trees and shrubs growing in the water |
Turbidity | A cloudy condition in water due to suspended silt or organic matter |
Watershed | The land area that supplies water to a river system |
Wetland | An area of land that is covered with a shallow layer of water during some or all of the year |